Title: Citrus insect and disease summary
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Permanent Link: http://ufdc.ufl.edu/UF00066150/00050
 Material Information
Title: Citrus insect and disease summary
Series Title: AREC-LA Mimeo series
Physical Description: v. : ; 28-34 cm.
Language: English
Creator: Citrus Experiment Station (Lake Alfred, Fla.)
Agricultural Research and Education Center (Lake Alfred, Fla.)
Publisher: Citrus Experiment Station.
Place of Publication: Lake Alfred Fla
Publication Date: End October 1968
Copyright Date: 1966
Frequency: semimonthly
regular
 Subjects
Subject: Citrus -- Diseases and pests -- Periodicals -- Florida   ( lcsh )
Genre: government publication (state, provincial, terriorial, dependent)   ( marcgt )
periodical   ( marcgt )
 Notes
Issuing Body: Issued by the Citrus Experiment Station (Lake Alfred, Fla.) <July 1966-Jan. 1971, later called Lake Alfred (Fla.) Agricultural Research and Education Center, Feb. 1971-Aug. 1972>.
General Note: Description based on: Mid July 1966; title from caption.
General Note: Latest issue consulted: End of August 1972.
 Record Information
Bibliographic ID: UF00066150
Volume ID: VID00050
Source Institution: University of Florida
Holding Location: University of Florida
Rights Management: All rights reserved by the source institution and holding location.
Resource Identifier: oclc - 71265791
lccn - 2006229397

Full Text

K I HUME LIBRARY c TRUS EXPERIMENT STATION
LAKE ALFRED, FLORIDA
LAKE ALFRED, FLORIDA CES Mimeo Series 69-13
NOV C 1968
CITR S INSECT AND DISEASE SUMMARY
END OF OCTOBER 1968
I.F.A.S. Univ. of Florida
1t tewide Index of Abundance
I I I I
Mid End d Mid End T
Trend Trend
Oct. Oct. Oct. Oct.
-2.0

_- ------- --->

1.5 Rust Mite Fruit

,-- High for
-mites
Rust Mite on Leaves
-1.0 High for
scales

v- -> Whitefly
,-> Glover S-.
C. Red Mite -- > Glover Sc
0.5
0.5o---- Black Sc
--1


Texas C. Mite

NOTE: Only pests or conditions of general or current interest are reported.
Forecasts are for 1 month in advance unless otherwise indicated.
Rust Mite on Leaves: 73% of groves infested (Norm 67%); 43% economic (Norm 49%).
Rust Mite on Fruit : 82% of groves infested (Norm 73%); 58% economic (Norm 53%).
Population increased and is in the high range on both leaves and fruit. Infesta-
tion on leaves is slightly below normal but is well above normal on fruit. Infestations
are expected to remain near the current level through November. Highest districts are
West (1.78) South (1.70) and North (1.43) but all districts are in the high range with
respect to infestation of fruit.
Texas Citrus Mite: 20% of groves infested (Norm 23%); 5% economic (Norm 7%).
Population increased but is still below normal and in the low range. Little change
is expected. Highest district is North (.37).
Citrus Red Mite: 23% of groves infested (Norm 30%); 6% economic (Norm 8%).
Population advanced and some further increase is expected. It is still below
normal and in the low range. Highest district is West (.40).
Glover Scale: 47% of groves infested (Norm 65%); 2% economic (Norm 11%).
Population is below normal and will remain at low level through November despite
an expected increase. Highest district is East (.73).
Yellow Scale: 41% of groves infested (Norm 58%); less than 1% economic (Norm 11%).
This is the lowest October level since 1962. Slight increase is expected. Highest
district is Central (.52).
Black Scale: 34% of groves infested (Norm 32%); 9% economic (Norm 10%).
Population is near normal and in the low range. Slight increase is expected until
low temperatures occur. Highest districts are Central (.81) and East (.68).
Purple Scale, Chaff Scale and Florida Red Scale: These are below normal and in the very
low range.
Snow Scale: 12% of groves infested; 2% economic.
Infestations are expected to intensify in infested groves.
Whiteflies are in normal abundance and population is in the moderate range.

ALERT: A potentially serious pest of citrus, sugar cane, and other plants has been found
on citrus near Apopka. You can help locate infestations and thereby assist eradication.
If you see deeply notched tender citrus leaves, look for large weevils 1/2 to 3/4 inch in
length and 3/16 to 1/4 inch in width. They will have 3 definite dark stripes extending
2/3 of the length of the back, sometimes with less distinct stripes between. These are
in contrast to the pale green, tan or orange color of the back. They have a prominent
stubby snout bearing elbow type antennae with terminal knobs. They are not likely to be
confused with any other beetle found on citrus. If you see any notify me at once and
leave your name and location. 1 J '


625 November 4, 1968 WAS


W. A. Simanton




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